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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |
Net income | $ 659,571 us-gaap_NetIncomeLoss | $ 652,800 us-gaap_NetIncomeLoss | $ 620,000 us-gaap_NetIncomeLoss
Adjustments required to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation of property and equipment | 9,178 us-gaap_DepreciationDepletionAndAmortization | 8,545 us-gaap_DepreciationDepletionAndAmortization | 7,861 us-gaap_DepreciationDepletionAndAmortization
Amortization of premium and accretion of discount on marketable securities, net and revaluation of short-term bank deposits | 33,021 us-gaap_AmortizationOfDebtDiscountPremium | 22,389 us-gaap_AmortizationOfDebtDiscountPremium | 33,784 us-gaap_AmortizationOfDebtDiscountPremium
Realized gain on sale of marketable securities, net | (288)us-gaap_GainLossOnSaleOfInvestments | (2,311)us-gaap_GainLossOnSaleOfInvestments | (1,436)us-gaap_GainLossOnSaleOfInvestments
Amortization of intangible assets | 2,106 us-gaap_AmortizationOfIntangibleAssets | 3,020 us-gaap_AmortizationOfIntangibleAssets | 7,028 us-gaap_AmortizationOfIntangibleAssets
Stock-based compensation | 63,169 us-gaap_ShareBasedCompensation | 51,112 us-gaap_ShareBasedCompensation | 45,287 us-gaap_ShareBasedCompensation
Deferred income tax expense (benefit) | (12,292)us-gaap_DeferredOtherTaxExpenseBenefit | 28 us-gaap_DeferredOtherTaxExpenseBenefit | (1,453)us-gaap_DeferredOtherTaxExpenseBenefit
Excess tax benefit from stock-based compensation | (11,669)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | (35,345)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | (11,128)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
Accrued severance pay, net | (407)chkp_IncreaseDecreaseInAccruedSeverancePay | 158 chkp_IncreaseDecreaseInAccruedSeverancePay | 57 chkp_IncreaseDecreaseInAccruedSeverancePay
Decrease (increase) in trade receivables | 12,948 us-gaap_IncreaseDecreaseInAccountsReceivable | (5,893)us-gaap_IncreaseDecreaseInAccountsReceivable | (16,337)us-gaap_IncreaseDecreaseInAccountsReceivable
Decrease (increase) in prepaid expenses and other current assets and other assets | (8,613)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (816)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 4,592 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Increase in trade payables | 1,879 us-gaap_IncreaseDecreaseInAccountsPayableTrade | 1,287 us-gaap_IncreaseDecreaseInAccountsPayableTrade | 5,445 us-gaap_IncreaseDecreaseInAccountsPayableTrade
Increase in employees and payroll accruals | 2,698 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 22,404 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 958 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Increase (decrease) in accrued expenses and other liabilities | (77,809)us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities | 11,975 us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities | 117,371 us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
Increase in deferred revenues | 112,390 us-gaap_IncreaseDecreaseInDeferredRevenue | 81,933 us-gaap_IncreaseDecreaseInDeferredRevenue | 37,512 us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash provided by operating activities | 785,882 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 811,286 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 849,541 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Proceeds from maturity of marketable securities | 1,233,866 us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities | 1,110,176 us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities | 991,578 us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities
Proceeds from sale of marketable securities | 75,910 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities | 21,716 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities | 242,074 us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Proceeds from short-term bank deposits |  | 248,571 us-gaap_ProceedsFromSaleOfShortTermInvestments |
Investment in marketable securities | (1,535,800)us-gaap_PaymentsToAcquireMarketableSecurities | (1,916,832)us-gaap_PaymentsToAcquireMarketableSecurities | (1,589,115)us-gaap_PaymentsToAcquireMarketableSecurities
Investment in short-term bank deposits | (7,343)us-gaap_PaymentsToAcquireShortTermInvestments |  | (10,602)us-gaap_PaymentsToAcquireShortTermInvestments
Purchase of property and equipment | (12,736)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (9,563)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (8,195)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used in investing activities | (246,103)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (545,932)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (374,260)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Proceeds from issuance of treasury shares upon exercise of options and vesting of restricted stock units | 70,266 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 67,127 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 61,011 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
Purchase of treasury shares at cost | (768,176)us-gaap_PaymentsForRepurchaseOfCommonStock | (534,196)us-gaap_PaymentsForRepurchaseOfCommonStock | (466,164)us-gaap_PaymentsForRepurchaseOfCommonStock
Excess tax benefit from stock-based compensation | 11,669 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 35,345 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 11,128 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash used in financing activities | (686,241)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (431,724)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (394,025)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Increase (decrease) in cash and cash equivalents | (146,462)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (166,370)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 81,256 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at the beginning of the year | 408,432 us-gaap_CashAndCashEquivalentsAtCarryingValue | 574,802 us-gaap_CashAndCashEquivalentsAtCarryingValue | 493,546 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at the end of the year | 261,970 us-gaap_CashAndCashEquivalentsAtCarryingValue | 408,432 us-gaap_CashAndCashEquivalentsAtCarryingValue | 574,802 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information: |  |  |
Cash paid during the year for taxes on income | 239,245 us-gaap_IncomeTaxesPaidNet | 173,234 us-gaap_IncomeTaxesPaidNet | 85,897 us-gaap_IncomeTaxesPaidNet
Supplemental disclosure of non-cash financing activities: |  |  |
Accrued liability with respect to treasury shares |  | $ 3,633 us-gaap_LiabilitiesAssumed1 |

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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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